docs: def help(ctx, command):
      """Display help for a command."""
      command = ' '.join(command)
      if not command:
          click.echo(cli.get_help(ctx))
          return
  
      cmd = cli.get_command(ctx, command)
      if cmd:
          click.echo(cmd.get_help(ctx))
      else:
          click.echo(cli.get_help(ctx))